package com.rylan.filter;

import com.rylan.entity.Admin;
import com.rylan.entity.User;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @author rylan
 * @description
 */
@Component
@WebFilter(filterName = "AccountFilter",urlPatterns = {"/*"})
public class AccountFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Filter.super.init(filterConfig);
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response =(HttpServletResponse) servletResponse;
        HttpSession httpSession = request.getSession();
        User user = (User) httpSession.getAttribute("user");
        Admin admin = (Admin) httpSession.getAttribute("admin");
        if(user == null && admin == null && request.getRequestURI().indexOf("login") == -1){
            response.sendRedirect("/login.html");
        }else{
            filterChain.doFilter(servletRequest,servletResponse);
        }
    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }
}
